So in my car I think i have a ground loop problem, but im not positive. Its sort of a cyclical noise, so its quiet, then buzzes, quiet, then buzzes, etc. Its not terribly bad, I really dont notice it ...
I'm trying to figure out a way to deal with a ground loop problem I have at home, this is 60hz mains hum that comes out of speakers, even when nothing is connected to the device besides power cable. I ...